Feature:1. Deploy local fret can solve the problem of buzz, which can makes the guitar perform well.2. Applicable musical instruments include electric guitar, electric bass, acoustic guitar and electric box guitar.3. Necessity for guitar repair master, guitar fingerboard polishing block are available on all sides.4. Fingerboard grinding block supports rough and fine grinding of black surface while polishing of white surface.5. After many inspections before leaving the factory, such guitar repair tool quality is guaranteed, you can use it with confidence.Specification:Item Type: Guitar fingerboard polishing blockColor: Black and whiteShape: CuboidPackage List:1 x Guitar Fingerboard Polishing Block